Merged from 1.3.x branch

Author: graemerocher

src/java/org/codehaus/groovy/grails/plugins/CoreGrailsPlugin.groovy

@@ -27,6 +27,8 @@ import org.codehaus.groovy.grails.commons.spring.RuntimeSpringConfiguration
 import org.codehaus.groovy.grails.commons.spring.GrailsRuntimeConfigurator
 import org.codehaus.groovy.grails.plugins.support.aware.GrailsApplicationAwareBeanPostProcessor
 import org.codehaus.groovy.grails.support.DevelopmentShutdownHook
+import org.codehaus.groovy.grails.support.proxy.DefaultProxyHandler;
+
 import grails.util.Environment
 import grails.util.Metadata;
 
@@ -91,6 +93,7 @@ class CoreGrailsPlugin {
 		customEditors(CustomEditorConfigurer) {
 			customEditors = [(java.lang.Class.name):ClassEditor.name]
 		}
+        proxyHandler(DefaultProxyHandler)
 	}
 
 	def doWithDynamicMethods = {

src/java/org/codehaus/groovy/grails/plugins/orm/hibernate/HibernatePluginSupport.groovy

@@ -13,7 +13,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.codehaus.groovy.grails.plugins.orm.hibernate
 
 import java.util.Map;
@@ -35,6 +34,8 @@ import org.codehaus.groovy.grails.commons.spring.WebRuntimeSpringConfiguration
 import org.codehaus.groovy.grails.orm.hibernate.ConfigurableLocalSessionFactoryBean
 import org.codehaus.groovy.grails.orm.hibernate.metaclass.*
 import org.codehaus.groovy.grails.orm.hibernate.support.*
+import org.codehaus.groovy.grails.orm.hibernate.proxy.HibernateProxyHandler;
+import org.codehaus.groovy.grails.orm.hibernate.validation.HibernateDomainClassValidator
 import org.codehaus.groovy.grails.orm.hibernate.validation.PersistentConstraintFactory
 import org.codehaus.groovy.grails.orm.hibernate.validation.UniqueConstraint
 import org.codehaus.groovy.grails.validation.ConstrainedProperty
@@ -175,7 +176,8 @@ Using Grails' default cache provider: 'net.sf.ehcache.hibernate.EhCacheProvider'
                 pooledConnection =  ds && ds.pooled ?: false
                 nativeJdbcExtractor = ref("nativeJdbcExtractor")
 			}
-			eventTriggeringInterceptor(ClosureEventTriggeringInterceptor)
+            proxyHandler(HibernateProxyHandler)
+            eventTriggeringInterceptor(ClosureEventTriggeringInterceptor)
             entityInterceptor(EmptyInterceptor)
             sessionFactory(ConfigurableLocalSessionFactoryBean) {
                 dataSource = dataSource